From 8439e1c54ef74396243acb501f31bc8e8228de47 Mon Sep 17 00:00:00 2001 From: Connor McLaughlin Date: Tue, 31 Mar 2020 22:28:37 +1000 Subject: [PATCH] GPU: Adjust visible ticks/lines, fix underflow in height --- src/core/gpu.cpp | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/src/core/gpu.cpp b/src/core/gpu.cpp index fe468335f..bb0567864 100644 --- a/src/core/gpu.cpp +++ b/src/core/gpu.cpp @@ -371,15 +371,15 @@ void GPU::UpdateCRTCDisplayParameters() case DisplayCropMode::None: horizontal_display_start_tick = 487; horizontal_display_end_tick = 3282; - vertical_display_start_line = 12; - vertical_display_end_line = 312; + vertical_display_start_line = 20; + vertical_display_end_line = 308; break; case DisplayCropMode::Overscan: horizontal_display_start_tick = 628; horizontal_display_end_tick = 3188; - vertical_display_start_line = 19; - vertical_display_end_line = 307; + vertical_display_start_line = 30; + vertical_display_end_line = 298; break; case DisplayCropMode::Borders: @@ -398,15 +398,15 @@ void GPU::UpdateCRTCDisplayParameters() case DisplayCropMode::None: horizontal_display_start_tick = 488; horizontal_display_end_tick = 3288; - vertical_display_start_line = 8; - vertical_display_end_line = 260; + vertical_display_start_line = 16; + vertical_display_end_line = 256; break; case DisplayCropMode::Overscan: horizontal_display_start_tick = 608; horizontal_display_end_tick = 3168; - vertical_display_start_line = 16; - vertical_display_end_line = 256; + vertical_display_start_line = 24; + vertical_display_end_line = 248; break; case DisplayCropMode::Borders: @@ -476,7 +476,7 @@ void GPU::UpdateCRTCDisplayParameters() { cs.display_origin_top = 0; cs.display_vram_top = - std::min(m_crtc_state.regs.Y + ((cs.vertical_display_start - vertical_display_start_line) << height_shift), + std::min(m_crtc_state.regs.Y + ((vertical_display_start_line - cs.vertical_display_start) << height_shift), VRAM_HEIGHT - 1); }